In view of underground mining, an ore-rock stability evaluation was taken combining the fuzzy-grey-element, on the parameters that are capable to reflect ore-rock stability.

将模糊灰元与矿岩稳定性评价相结合，从地下开采的角度选取能够反映矿岩稳定性的参数进行评价。

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The grey element value of cost index would be figured out by way of establishing cost index′s presumption model that is a grey system.

通过建立造价指数的灰色系统预测模型可以算出未来造价指数的灰元值和进行短期、中期和长期的预测。

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Grey system Theory, used as fabric hand evaluation system, constructing premium composite grey element model and obtaining the solution of premium degree can be used to evaluate the fabric hand.

对于织物风格评价这一灰色系统的评价问题，可以构造近优复合灰元模型，靠求解近优度的方法来评价织物。

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